Dyfyniad APA

(2005). E-Commerce: Powerpoint instructor pressentation software. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

E-Commerce: Powerpoint Instructor Pressentation Software. New York: McGraw-Hill, 2005.

Dyfyniad MLA

E-Commerce: Powerpoint Instructor Pressentation Software. New York: McGraw-Hill, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.